Merge latest master in v0.2.0

.github/ISSUE_TEMPLATE.md

@@ -2,6 +2,11 @@
 
 Please provide a brief description of the issue.
 
+## Version
+
+Please provide your Lighthouse and Rust version. Are you building from
+`master`, which commit?
+
 ## Present Behaviour
 
 Describe the present behaviour of the application, with regards to this

.github/workflows/test-suite.yml

@@ -67,3 +67,10 @@ jobs:
       run: sudo npm install -g ganache-cli
     - name: Run the beacon chain sim without an eth1 connection
       run: cargo run --release --bin simulator no-eth1-sim
+  check-benchmarks:
+    runs-on: ubuntu-latest
+    needs: cargo-fmt
+    steps:
+    - uses: actions/checkout@v1
+    - name: Typecheck benchmark code without running it
+      run: make check-benches